47100448917 has 64 divisors (see below), whose sum is σ = 74007198720. Its totient is φ = 29569536000.

The previous prime is 47100448909. The next prime is 47100448937. The reversal of 47100448917 is 71984400174.

It is a happy number.

It is not a de Polignac number, because 47100448917 - 2³ = 47100448909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47100448907) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3791917 + ... + 3804317.

It is an arithmetic number, because the mean of its divisors is an integer number (1156362480).

Almost surely, 2^47100448917 is an apocalyptic number.

47100448917 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

47100448917 is a deficient number, since it is larger than the sum of its proper divisors (26906749803).

47100448917 is a wasteful number, since it uses less digits than its factorization.

47100448917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12571 (or 12565 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 47100448917 in words is "forty-seven billion, one hundred million, four hundred forty-eight thousand, nine hundred seventeen".